Machine for making crimped paper cups.



H. MULLER.

MACHINE FOR MAKING GRIMPED PAPER CUPS.

APPLICATION FILED MAY 15, 1913. 1,073,618. Patented Sept. 23, 1913.

3 SHEETS-SHEET 1.

H. MfiLLER.

MACHINE FOR MAKING GRIMPBD PAPER CUPS.

APPLICATION FILED MAY15,1913.

1,073,618. Patented Sept. 23, 1913.

3 BHEETS-SHEET 2.

O 65 X1 63 O W H. MULLER.

MACHINE FOR MAKING (JRIMPED PAPER CUPS.

APPLICATION FILED MAY 15, 1913.

Patented Sept. 23, 1913.

3 SHEETSSHEET 3.

HENRY M'U'LLER, F BROOKLYN, NEW YORK.

MACHINE FOR MAKING CRIMPED PAPER CUPS.

Specification of Letters Patent.

Patented Sept. 23, 191 3.

Application filed May 15, 1913. Serial No. 767,755.

ZbaZ/arlmmit may concern: I

Be it known that I, HENRY MtiLLER, a citizen of the United States, residing at Brooklyn, county of Kings, and State of New York, have invented a new and useful lllaehine for Making Crimped Paper Cups, of which the following is a specification.

This invention relates to a machine for making crimped paper cups of the class used by confectioners and designed for holding bonbous, chocolates and other sweets.

The object of the invention is to simultaneously punch from a plurality of superposed paper webs a corresponding number of cup-blanks and for then sub ecting the thus properly assembled blanks ointly to the action of crimping and cupping devices, so that in this way all of the blanks are properly shaped by a common operation.

The invention also comprises the various other features of construction more fully pointed out in the specification and appended claims.

In the accompanying drawing: Figure 1 is a side view partly in section and partly broken away of a cup making machine embodying my invention; 2 a front elevation partly in section; Fig. 3 an enlarged longitudinal section through the cutting, crimping and cupping means l lg. 4 a top View of the lower crimping (he and adjoining parts; Fig. 5 a bottom view of the upper die; Fig. 6 a detail of the reel holder, and Fig. 7 a perspective view of one of the cups made ty the machine.

Within a suitable bearing 10 of the machine frame 11, is journaled the power shaft 12 that receives motion from a pulley 13 adapted to be connected to said shaftby a friction coupling 14 operable in suitable manner. Shaft 12 is by gear wheels 15, 16 intergeared with a crank shaft 17 journalcd in bearings 18. Shaft 17 has a triple function, c. it actuates firstly the paper feeding means, secondly the cutter and upper crimping die, and thirdly the cupping plunger. A suitable number of paper reels 19 are rotatably supported on a suitable stand 20 in such a manner that the unreeled paper strips will be superposed upon one another. The compound strip 21 thus formed is passed between a pair of guide rolls 22 and thence between a pair of feed rolls 23, 24. The axle 25 of roll 28 is mounted in fixed bearings 26, while the axle 27 of roll 24 is journaled in an arm 28 fulcrumed at 29 and provided with a tail 30. The latter is influenced by a spring 31 that tends to swing roll 24 toward roll 23 until tail engages a regulating screw 32, so that by the construction described, the pass between rollers 23, 24 may be adjusted to the number and thickness of the superposed paper strips. Axles 25, 27 carr intermeshed pinions 33, 34 of which pinion 33 is driven from a gear wheel 35 that receives intermittent rotary movement from crank shaft 17 by means of a cam 36. This cam is engaged by a roller 37 that is fulcrumed to an eye 38 that straddles shaft 17 and forms the upper end of a rod 39. The lower end of this rod is pivoted to an arm 40 by a bolt 41 adjustably mounted in a slot 42 of said arm. The latter is firmly secured to the shaft 43 of gear wheel 35 and carries a plurality of spring-influenced pawls 44 that engage a ratchet wheel 45 fast on gear Wheel 35. I t will be seen that during the rotation of shaft 17, the compound strip 21 will be intermittently advanced the periods of rest being utilized for cutting and cupping the free end of said strip in the manner now to be described.

In front of feed rolls 23, 24 is fitted to frame 11, an annular block 46 within an upper recess 47 of which is seated an annular stationary cutting member 48. The latter cooperates with a vertically reciprocattive or movable annular cutting member 49 of a diameter equal to the diameter of the cup blank desired. Cutter 49 is by screws 50 secured to a head 51 which is in turn secured to the lower web of a slide 53 by screws 54. Slide 53 is guided in suitable ways 55 of frame 11. and is provided with a pair of traverses 56 which are in turn by bolts 57 connected to traverses 58 located above traverses 66. Traverses 56, 58 are furnished with lower and upper cam rollers 59, 69 respectively, each pair of vertically alined rollers straddling a common cam 61 fast on shaft 17, so that by the rotation of said shaft, slide 53 together with cutter 49 will leceive a vertically reoiprocative 1novcment. In order to relieve the cams from the wear caused by the weight of the slide and the parts carried thereby, there are tapped into or otherwise secured to upper traverses 58, a pair of guide rods 62 that are slidably mounted in frame 11. Rods 62 are connected to each other by a cross piece 63 to which is fulcrumed one arm of a lever 64, the other arm of which carries an adjustable counterweight 65.

For simultaneously crimping the superposed circular paper disks cut off the compound strip 21 by the mechanism described, there are provided a lower fixed die 66 and an upper movable die 67. Die 66 is made in the form of a cylinder having a central longitudinal bore 68, said cylinder being accommodated within the central openings 69, 70 of cutter48 and block 46 respectively. In order to removaloly secure die 66 to block 46, the former is provided with an annular flange 71 which is partly cut out as at 72 to form a plurality of sector-shaped projections 73. The latter are received within corresponding undercut recesses 74 of block 46, the fconfiguration of said recesses being such th at they permit an intro duction of said projections from above, while upon slightly turning the die, the projec'tions will be caused' to enter the undercut portions ofithe'recesses. The upper annular face ofdie 66 is provided with a plurality of radially extending grooves 75 that increase in depth from center toward fperiphery and are rounded 0E at their'inner ends as at 76 so as to gradually merge into the wall of bore 68. The upper die 67 1s also of cylindrical shape and has an inner bore 77 which is slightly decreased in diameter at its lower end to form an inwardly extending bulge 78 at the lower end of the die, said bulge constituting a guide for the plunger 79 hereinafter more fully referred to. Die 67 is loosely received within the bores 80, 81 of cutter 49 and head 51 respectively. At its upper end, die 67 is provided with a circumferential flange 82 that is accommodated within a correspondingly enlarged bore 83 of head 51. Flange 82 is tapped into a ring 84 furnished with an inwardly extending flange 85 that engages an outwardly extending flange 86 of a threaded sleeve 87. The latter is tapped into the web 52 of slide 53, any accidental displacement of the sleeve being prevented by jam nuts 88, 89 engaging respectively the .upper and lower faces of web 52. By ver- :ticallv adjusting sleeve 87 the upper crimping die may be so spaced from the lower die as to correspond to the number and thickness of the aper disks to be simultaneously t its lower face, die 67 is proa plurality of radially extending grooves 90 which are vertically alined with the radialridges formed between the grooves 75 of-lower die 66; In order to apply sufiiclent'pressure forcrimping and to permit die 67 to slightly'yield when final pressure is applied, a nut9l is provided on sleeve 87 between which and ring 84 a plurality of springs 92 are interposed. Thus vertically reciprocable by adjusting nut 91 the pressure of the upper die upon the paper disks to be crimped may be readily regulated.

For operating the plunger 79 hereinabove referred to, the crank pin 93 of shaft 17 is by link 94 connected to a block 95 that is in corresponding Ways 96 of slide 53. Into block 95 is tapped a piston 97 that slidably engages sleeve 87, While into piston 97 is in turn tapped a rod 98 that carries at its lower end the plunger 79.

During operation, the compound strip 21 is intermittently advanced, so that after coming to a standstill, its free end will overlie cutter 48, the strip being properly guided by a centrally perforated bail 99 secured to block 46. Slide 53 being now lowered, will correspondingly lower cutter 49, whereby a plurallty of superposed disks will be cut ofi strip 21, the severed blanks being supported upon lower die 66. As upper die 67 partici ates in the descent of slide 53, it will during this operation simultaneously press the blanks against die 66. After the cutting operation has been completed, block 95 will descend, so as to cause plunger 79 to grad ually force the superposed blanks into the bore 68 of lower die 66. By tion of the parts 66, 67, 79, the blanks will not only bebrought into cup-form, but as plunger 79 draws the blanks along the ooved faces of the dies and more particularly over the grooved rounded edge 76 of die 66, the finished cups 100 will be crimped along their sides as clearly illustrated in Fig. 7. Cutter 49 together with die 67 and plunger 79 will now ascend, whereupon the operation described is repeated. By the successive descents of plunger 79., the successive groups of nested cups will be pushed through the bore 68 of die 66 and may be discharged at the lower end thereof to be thence conveyed to any place desired.

It is of course to be understood that the paper is moistened before entering the machine, and that the cups are dried in suitable manner after being discharged.

I claim:

1. A. machine of the character described, comprising a hollow block, a fixed cutting member and an annular grooved lower die mounted in the block, a'slide, a sleeve adjustably secured thereto, an annular grooved upper die. yieldingly suspended from the sleeve, a movable cutting member also secured to the slide and encompassing the upper die, and a plunger movable within the upper die.

2. machine of the character described, comprising a hollow block, a fixed cutting member and an annular grooved lower die mounted in the block, a slide, a sleeve adjustably secured thereto, an annular grooved" upper die yieldingly suspended the cotiperafrom the sleeve, a movable cutting member also secured to the slide and encompassing the upper die,a plunger movable Within the upper die, a plurality ofipaper reels, and means for intermittently feedin superposed gaper strips from said reels etween the 3. A machine of the character described, comprising a hollow block, a fixed cutting member and an annular grooved lower die fitted in the block, a slide, a sleeve adjustable therein, a ring, means for yieldingly suspending the ring from the sleeve, an annular grooved upper die carried by the ring, a head also carried by the slide, an annular movable cutting member carried by the head and encompassing the upper die, a plunger movable within said upper die, a plurality of paper reels, and means for intermittently feeding superposed paper strips from said reels between the dies.

HENRY MULLER.

Witnesses:

Rionlinn S. \Viaiss, F RANK v. BRIESEN. 

